<template>
  <div class="app-container">
    <el-card class="filter-container" shadow="never">
      <div>
        <i class="el-icon-search"></i>
        <span>筛选搜索</span>
        <el-button style="float:right" type="primary" @click="handleSearchList()" size="small">
          查询搜索
        </el-button>
        <el-button style="float:right;margin-right: 15px" @click="handleResetSearch()" size="small">
          重置
        </el-button>
      </div>
      <div style="margin-top: 15px">
        <el-form :inline="true" :model="listQuery" size="small" label-width="140px">
          <el-form-item label="资源名称：">
            <el-input v-model="listQuery.nameKeyword" class="input-width" placeholder="资源名称" clearable></el-input>
          </el-form-item>
          <el-form-item label="资源路径：">
            <el-input v-model="listQuery.urlKeyword" class="input-width" placeholder="资源路径" clearable></el-input>
          </el-form-item>
          <el-form-item label="资源分类：">
            <el-select v-model="listQuery.categoryId" placeholder="全部" clearable class="input-width">
              <el-option v-for="item in categoryOptions" :key="item.value" :label="item.label" :value="item.value">
              </el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </div>
    </el-card>
    <el-card class="operate-container" shadow="never">
      <i class="el-icon-tickets"></i>
      <span>数据列表</span>
      <el-button size="mini" class="btn-add" @click="handleAdd()" style="margin-left: 20px">添加</el-button>
      <el-button size="mini" class="btn-add" @click="handleShowCategory()">资源分类</el-button>
    </el-card>
    <div class="table-container">
      <el-table ref="resourceTable" :data="list" style="width: 100%;" v-loading="listLoading" border>
        <el-table-column label="编号" width="100" align="center">
          <template slot-scope="scope">{{ scope.row.id }}</template>
        </el-table-column>
        <el-table-column label="资源名称" align="center">
          <template slot-scope="scope">{{ scope.row.name }}</template>
        </el-table-column>
        <el-table-column label="资源路径" align="center">
          <template slot-scope="scope">{{ scope.row.url }}</template>
        </el-table-column>
        <el-table-column label="描述" align="center">
          <template slot-scope="scope">{{ scope.row.description }}</template>
        </el-table-column>
        <el-table-column label="添加时间" width="160" align="center">
          <template slot-scope="scope">{{ scope.row.createTime | formatDateTime }}</template>
        </el-table-column>
        <el-table-column label="操作" width="140" align="center">
          <template slot-scope="scope">
            <el-button size="mini" type="text" @click="handleUpdate(scope.$index, scope.row)">
              编辑
            </el-button>
            <el-button size="mini" type="text" @click="handleDelete(scope.$index, scope.row)">删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <div class="pagination-container">
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
        layout="total, sizes,prev, pager, next,jumper" :current-page.sync="listQuery.pageNum"
        :page-size="listQuery.pageSize" :page-sizes="[10, 20, 50, 100]" :total="total">
      </el-pagination>
    </div>

    <el-dialog :title="isEdit ? '编辑资源' : '添加资源'" :visible.sync="dialogVisible" width="40%">
      <el-form :model="resource" ref="resourceForm" :rules="rules" label-width="100px" size="small">
        <el-form-item label="资源名称：" prop="name">
          <el-input v-model="resource.name"></el-input>
        </el-form-item>
        <el-form-item label="资源路径：" prop="url">
          <el-input v-model="resource.url"></el-input>
        </el-form-item>
        <el-form-item label="资源分类：" prop="categoryId">
          <el-select v-model="resource.categoryId" placeholder="全部" clearable>
            <el-option v-for="item in categoryOptions" :key="item.value" :label="item.label" :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="资源描述：" prop="description">
          <el-input v-model="resource.description" type="textarea" :rows="5"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleDialogConfirm()" size="small">确 定</el-button>
        <el-button @click="dialogVisible = false" size="small">取 消</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import { fetchList, createResource, updateResource, deleteResource } from '@/api/sys/resource';
import { listAllCate } from '@/api/sys/resourceCategory';
import { formatDate } from '@/utils/date';

const defaultListQuery = {
  pageNum: 1,
  pageSize: 10,
  nameKeyword: null,
  urlKeyword: null,
  categoryId: null
};
const defaultResource = {
  id: null,
  name: null,
  url: null,
  categoryId: null,
  description: ''
};
export default {
  name: 'resourceList',
  data() {
    return {
      rules: {
        name: [
          { required: true, message: '请输入资源名称', trigger: 'blur' }
        ],
        url: [
          { required: true, message: '请输入资源路径', trigger: 'blur' }
        ],
        description: [
          { required: true, message: '请输入资源描述', trigger: 'blur' }
        ]
      },
      listQuery: Object.assign({}, defaultListQuery),
      list: null,
      total: null,
      listLoading: false,
      dialogVisible: false,
      resource: Object.assign({}, defaultResource),
      isEdit: false,
      categoryOptions: [],
      defaultCategoryId: null
    }
  },
  created() {
    this.getList();
    this.getCateList();
  },
  filters: {
    formatDateTime(time) {
      if (time == null || time === '') {
        return 'N/A';
      }
      let date = new Date(time);
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
    }
  },
  methods: {
    handleResetSearch() {
      this.listQuery = Object.assign({}, defaultListQuery);
    },
    handleSearchList() {
      this.listQuery.pageNum = 1;
      this.getList();
    },
    handleSizeChange(val) {
      this.listQuery.pageNum = 1;
      this.listQuery.pageSize = val;
      this.getList();
    },
    handleCurrentChange(val) {
      this.listQuery.pageNum = val;
      this.getList();
    },
    handleAdd() {
      this.$nextTick(() => {
        if (this.$refs['resourceForm'] !== undefined) {
          this.$refs['resourceForm'].resetFields()
        }
      })
      this.dialogVisible = true;
      this.isEdit = false;
      this.resource = Object.assign({}, defaultResource);
      this.resource.categoryId = this.defaultCategoryId;
    },
    handleDelete(index, row) {
      this.$confirm('是否要删除该资源?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        deleteResource(row.id).then(response => {
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
          this.getList();
        });
      });
    },
    handleUpdate(index, row) {
      this.$nextTick(() => {
        if (this.$refs['resourceForm'] !== undefined) {
          this.$refs['resourceForm'].resetFields()
        }
      })
      this.dialogVisible = true;
      this.isEdit = true;
      this.resource = Object.assign({}, row);
    },
    handleDialogConfirm() {
      this.$refs['resourceForm'].validate((valid) => {
        if (valid) {
          if (this.isEdit) {
            updateResource(this.resource.id, this.resource).then(response => {
              this.$message({
                message: '修改成功！',
                type: 'success'
              });
              this.dialogVisible = false;
              this.getList();
            })
          } else {
            createResource(this.resource).then(response => {
              this.$message({
                message: '添加成功！',
                type: 'success'
              });
              this.dialogVisible = false;
              this.getList();
            })
          }
        }
      })
    },
    handleShowCategory() {
      this.$router.push({ path: '/sys/resourceCategory' })
    },
    getList() {
      this.listLoading = true;
      fetchList(this.listQuery).then(response => {
        this.listLoading = false;
        this.list = response.data.list;
        this.total = response.data.total;
      });
    },
    getCateList() {
      listAllCate().then(response => {
        let cateList = response.data;
        for (let i = 0; i < cateList.length; i++) {
          let cate = cateList[i];
          this.categoryOptions.push({ label: cate.name, value: cate.id });
        }
        this.defaultCategoryId = cateList[0].id;
      })
    }
  }
}
</script>
<style></style>


